package com.xds.gulimall.product.service.impl;


import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.xds.common.constant.ProductConstant;
import com.xds.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.xds.gulimall.product.dao.AttrGroupDao;
import com.xds.gulimall.product.dao.CategoryDao;
import com.xds.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.xds.gulimall.product.entity.AttrGroupEntity;
import com.xds.gulimall.product.entity.CategoryEntity;
import com.xds.gulimall.product.service.CategoryService;
import com.xds.gulimall.product.vo.AttrGroupRelationVo;
import com.xds.gulimall.product.vo.AttrResponseVo;
import com.xds.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xds.common.utils.PageUtils;
import com.xds.common.utils.Query;

import com.xds.gulimall.product.dao.AttrDao;
import com.xds.gulimall.product.entity.AttrEntity;
import com.xds.gulimall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {
    @Autowired
    AttrAttrgroupRelationDao attrAttrgroupRelationDao;
    @Autowired
    AttrGroupDao attrGroupDao;
    @Autowired
    CategoryDao categoryDao;
    @Autowired
    CategoryService categoryService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    @Transactional
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();
       // attrEntity.setAttrName(attr.getAttrName());
        BeanUtils.copyProperties(attr,attrEntity);

        this.save(attrEntity);
        //保存关联关系
        if (attr.getAttrType()== ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()&&attr.getAttrGroupId()!=null){

            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            relationEntity.setAttrId(attrEntity.getAttrId());
            relationEntity.setAttrGroupId(attr.getAttrGroupId());
            attrAttrgroupRelationDao.insert(relationEntity);
        }

    }

    @Override
    public PageUtils queryBaseAttrPage(Map<String, Object> params, Long catelogId, String attrType) {
        QueryWrapper<AttrEntity> Wrapper = new QueryWrapper<AttrEntity>()
                .eq("attr_type","base".equalsIgnoreCase(attrType)?
                        ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode():ProductConstant.AttrEnum.ATTR_TYPE_SALE.getCode());
        if (catelogId!=0){
            Wrapper.eq("catelog_id",catelogId);
        }
        String key =(String) params.get("key");
        if (StringUtils.hasLength(key)){
            Wrapper.and((wrapper)->{
                wrapper.eq("attr_id",key).or().like("attr_name",key);
            });
        }
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),Wrapper

        );
        PageUtils pageUtils = new PageUtils(page);
        List<AttrEntity> records = page.getRecords();
        List<AttrResponseVo> responseVoList = records.stream().map((attrEntity) -> {
            AttrResponseVo attrResponseVo = new AttrResponseVo();
            BeanUtils.copyProperties(attrEntity, attrResponseVo);
            if ("base".equalsIgnoreCase(attrType)) {
                AttrAttrgroupRelationEntity attrId = attrAttrgroupRelationDao.
                        selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>()
                                .eq("attr_id", attrEntity.getAttrId()));
                if (attrId != null&&attrId.getAttrGroupId()!=null) {
                    AttrGroupEntity groupEntity = attrGroupDao.selectById(attrId.getAttrGroupId());
                    attrResponseVo.setGroupName(groupEntity.getAttrGroupName());
                }
            }
            CategoryEntity categoryEntity = categoryDao.selectById(attrEntity.getCatelogId());
            if (categoryEntity != null) {
                attrResponseVo.setCatelogName(categoryEntity.getName());
            }
            return attrResponseVo;
        }).collect(Collectors.toList());
        pageUtils.setList(responseVoList);
        return pageUtils;
    }
    @Cacheable(value = "attr",key = "'attrinfo'+#root.args[0]")
    @Override
    public AttrResponseVo getAttrInfo(Long attrId) {
        AttrResponseVo attrResponseVo=new AttrResponseVo();
        AttrEntity attrEntity = this.getById(attrId);
        BeanUtils.copyProperties(attrEntity,attrResponseVo);
        if (attrEntity.getAttrType()==ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()) {
            //设置分组信息
            AttrAttrgroupRelationEntity relationEntity = attrAttrgroupRelationDao.
                    selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrId));
            if (relationEntity != null) {

                attrResponseVo.setAttrGroupId(relationEntity.getAttrGroupId());
                AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(relationEntity.getAttrGroupId());
                if (attrGroupEntity != null) {

                    attrResponseVo.setGroupName(attrGroupEntity.getAttrGroupName());
                }

            }
        }
        //设置分类信息
        Long catelogId = attrEntity.getCatelogId();
        Long[] catelogPath = categoryService.findCatelogPath(catelogId);
        attrResponseVo.setCatelogPath(catelogPath);
        CategoryEntity categoryEntity = categoryDao.selectById(catelogId);
        if (categoryEntity!=null){


        }

        return attrResponseVo;
    }

    @Override
    @Transactional
    public void updateAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();
        BeanUtils.copyProperties(attr, attrEntity);
        this.updateById(attrEntity);
        if (attrEntity.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()) {
            //1.修改分组关联
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            relationEntity.setAttrGroupId(attr.getAttrGroupId());
            relationEntity.setAttrId(attr.getAttrId());

            Integer count = attrAttrgroupRelationDao.selectCount(new QueryWrapper<AttrAttrgroupRelationEntity>()
                    .eq("attr_id", attr.getAttrId()));
            if (count > 0) {

                attrAttrgroupRelationDao.update(relationEntity, new UpdateWrapper<AttrAttrgroupRelationEntity>()
                        .eq("attr_id", attr.getAttrId()));
            } else {
                attrAttrgroupRelationDao.insert(relationEntity);
            }
        }
    }

    @Override
    public List<AttrEntity> getRelationAttr(Long attrgroupId) {
        List<AttrAttrgroupRelationEntity> relationEntityList = attrAttrgroupRelationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>()
                .eq("attr_group_id", attrgroupId));
        List<Long> longList = relationEntityList.stream().map((relationEntity) -> {
            return relationEntity.getAttrId();
        }).collect(Collectors.toList());
        if (longList==null||longList.size()==0){
            return null;
        }
        Collection<AttrEntity> attrEntities = this.listByIds(longList);

        return (List<AttrEntity>) attrEntities;
    }

    @Override
    public void deleteRelation(AttrGroupRelationVo[] vos) {
       // attrAttrgroupRelationDao.delete(new QueryWrapper<>().eq("attr_id",).eq("attr_group_id",))
        List<AttrAttrgroupRelationEntity> entityList = Arrays.asList(vos).stream().map((item) -> {
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            BeanUtils.copyProperties(item, relationEntity);
            return relationEntity;

        }).collect(Collectors.toList());
        attrAttrgroupRelationDao.deletBachRelation(entityList);
    }

    /**
     * 获取当前分组没有关联的所有属性
     * @param params
     * @param attrgroupId
     * @return
     */
    @Override
    public PageUtils getNoRelationAttr(Map<String, Object> params, Long attrgroupId) {
        //1.当前分组只能关联自己所属的分类的所有属性
        AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrgroupId);
        Long catelogId = attrGroupEntity.getCatelogId();

        //2.当前分组只能关联别的分组没有引用的属性
        //2.1 当前分类下的其他分组
        List<AttrGroupEntity> groupEntityList = attrGroupDao.selectList(new QueryWrapper<AttrGroupEntity>()
                .eq("catelog_id", catelogId));

        List<Long> collect = groupEntityList.stream().map((item) -> {
            return item.getAttrGroupId();
        }).collect(Collectors.toList());

        //2.2这些分组关联的属性
        List<AttrAttrgroupRelationEntity> groupId = attrAttrgroupRelationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>().
                in("attr_group_id", collect));

        List<Long> attrIds = groupId.stream().map((item) -> {
            return item.getAttrId();

        }).collect(Collectors.toList());
        //2.3从当前分类的所有属性移除这些属性
        QueryWrapper<AttrEntity> wrapper = new QueryWrapper<AttrEntity>()

                .eq("catelog_id", catelogId).eq("attr_type",ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode());
        if (attrIds!=null&&attrIds.size()>0){
            wrapper.notIn("attr_id", attrIds);
        }
        String key =(String) params.get("key");
        if (!StringUtils.hasLength(key)){
            wrapper.and((w)->{
                w.eq("attr_id",key).or().like("attr_name",key);
            });
        }
        IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params), wrapper);
        PageUtils pageUtils = new PageUtils(page);

        return pageUtils;
    }

    /**
     * 在指定的所有属性集合挑出我们的检索属性
     * @param attrIds
     * @return
     */
    @Override
    public List<Long> selectSearchAttrIds(List<Long> attrIds) {
     return      baseMapper.selectSearchAttrIds(attrIds);



    }

}